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Proceedings Paper

Monitoring of process stability in underwater Nd:YAG laser beam welding with optical sensor
Author(s): Xudong Zhang; Eiji Ashida; Susumu Shouno; Fukuhisa Matsuda
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Paper Abstract

Underwater laser beam welding was put forward to meet repairing of irradiated components and structures used in nuclear-power plant. Due to the interaction between laser beam and water, the laser-induced plasma or plume is rather complex than in atmosphere. This paper tries to monitor the stability of welding process by detecting the plume in underwater laser beam welding.

Paper Details

Date Published: 29 May 2001
PDF: 10 pages
Proc. SPIE 4276, Commercial and Biomedical Applications of Ultrashort Pulse Lasers; Laser Plasma Generation and Diagnostics, (29 May 2001); doi: 10.1117/12.428003
Show Author Affiliations
Xudong Zhang, Tsinghua Univ. (Japan)
Eiji Ashida, Japan Power Engineering and Inspection Corp. (Japan)
Susumu Shouno, Japan Power Engineering and Inspection Corp. (Japan)
Fukuhisa Matsuda, Japan Power Engineering and Inspection Corp. (Japan)


Published in SPIE Proceedings Vol. 4276:
Commercial and Biomedical Applications of Ultrashort Pulse Lasers; Laser Plasma Generation and Diagnostics
Richard F. Haglund; Richard F. Haglund; Richard F. Wood; Joseph Neev; Richard F. Wood, Editor(s)

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